CDM - Clean Development Mechanism
CDP - Carbon Disclosure Projet
CEM - Continuous Emission Monitoring
CH4 - Methane
CO2 – Carbon Dioxide
CO2-e - Carbon Dioxide Equivalent
EPER - European Pollutant Emission Register
EU ETS - European Union Emissions Allowance Trading Scheme
GHG - Greenhouse Gas
GAAP - Generally Accepted Accounting Principles
HFCs - Hydrofluorocarbons
IPCC - Intergovernmental Panel on Climate Change
IPIECA - International Petroleum Industry Environmental Conservation Association
ISO - International Standards Organization
N2O – Nitrous Oxide

NF3 – Nitrogen Trifluoride
NGO – Non Governmental Organization
PFCs - Perfluorcarbons
RECs - Renewable Energy Certificates
SF6 – Sulphur Hexafluoride
T&D - Transmission and Distribution
WBCSD - World Business Council for Sustainable Development
WRI - World Resources Institute